22103224 has 48 divisors (see below), whose sum is σ = 49041720. Its totient is φ = 9207360.

The previous prime is 22103219. The next prime is 22103227. The reversal of 22103224 is 42230122.

It is a super-2 number, since 2×22103224² = 977105022388352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22103198 and 22103207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158947 + ... + 159085.

Almost surely, 2^22103224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22103224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24520860).

22103224 is an abundant number, since it is smaller than the sum of its proper divisors (26938496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22103224 is a wasteful number, since it uses less digits than its factorization.

22103224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22103224 is about 4701.4065980300. The cubic root of 22103224 is about 280.6414883922.

Adding to 22103224 its reverse (42230122), we get a palindrome (64333346).

The spelling of 22103224 in words is "twenty-two million, one hundred three thousand, two hundred twenty-four".